Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873583 | Magnetic tape recording/reproducing apparatus | Masaaki Kobayashi, Akihiro Takeuchi, Yoshitomi Nagaoka | 1989-10-10 |
| 4864424 | Video signal recording/reproducing apparatus | Atsuo Ochi, Masaaki Kobayashi, Akihiro Takeuchi | 1989-09-05 |
| 4811119 | Apparatus for high-density minimal crosstalk recording and reproducing of terminance and chrominance signals using a magnetic tape | Masaaki Kobayashi, Akihiro Takeuchi, Sukeichi Miki, Yoshitomi Nagaoka | 1989-03-07 |
| 4807050 | Video signal recording/reproducing apparatus | Akihiro Takeuchi, Masaaki Kobayashi, Atsuo Ochi | 1989-02-21 |